PSA nitrogen technology utilizes two towers which are filled with carbon molecular sieve &lpar;CMS&rpar;&period; Compressed air enters the bottom of one tower&period; While the smaller oxygen molecules are adsorbed by the CMS&comma; the larger nitrogen molecules pass through the sieve and are stored&period; Once the CMS of the working tower is saturated with oxygen&comma; the regeneration of the CMS in the tower starts to work by depressurizing&comma; and while another tower is switched to start the process over again&period;

Puhui Company InfoWe&comma; Tianjin PU Hui Science & Technology Development Co&period;&comma; Ltd is located in Balitai Industrial Area&comma; Jinnan District&comma; Tianjin&comma; China&comma; it has good location and convenient traffics&comma; and it is near to Binhai New District&comma; covering the area of 15&comma; 000 square meters&period; We are a young and active enterprise of science and technology development&period;

The company focuses on R&D&comma; production design&comma; manufuturing&comma; selling&comma; service and etc&period; We mainly produce PSA Nitrogen Generator&comma; PSA Oxygen Generator and Gas seperation assemble products&period;